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SPY vs VERX: Correlation

Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Vertex, Inc. (VERX) carry a correlation of 0.27, a weak link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.27
weak
Correlation (1Y)
0.30
last 12 months
Correlation (5Y)
0.34
long-run
Ann. covariance
207.5
%² · weekly, annualized

How correlated are SPY and VERX?

On 3 years of weekly data the SPY/VERX correlation comes out at 0.27, weak. Recent behaviour matches the longer record: 0.30 over 1 year against 0.27 over 3. The 5-year figure is 0.34, and annualized covariance runs at 207.5 %².

Among the 4755 assets we track against SPY, VERX ranks #2586 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 64.0 points (+20.6% versus -43.4%). Note the risk asymmetry: VERX runs 3.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

SPY vs VERX: side by side

SPY (SPDR S&P 500 ETF Trust)VERX (Vertex, Inc.)
1-year return+20.6%-43.4%
5-year return+82.4%-33.8%
Volatility (ann.)14.5%53.5%
Beta vs S&P 5001.000.99
Max drawdown (3Y)-18.8%-82.1%
Market cap$2.3B
P/E (trailing)715.0
Dividend yield1.01%0.00%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -82.1%Higher 5y return: SPY +82.4% vs -33.8%

SPY, State Street Investment Management's Large Blend fund, carries $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-55%0%+21%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). SPY · VERX

Year-by-year returns

YearSPYVERX
2022-18.2%-8.6%
2023+26.2%+85.7%
2024+24.9%+98.0%
2025+17.7%-62.6%
2026+13.7%-28.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are SPY and VERX good diversifiers for each other?

A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between SPY and VERX?

As of 2026-08-27, the correlation of weekly returns between SPY and VERX is 0.27 over 3 years, 0.30 over 1 year and 0.34 over 5 years.

Is VERX a good diversifier for SPY?

A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.27 mean?

A reading of 0.27 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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SPY vs VERX: 3-year weekly correlation 0.27SPY vs VERX0.27

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Related comparisons

Hubs: SPY correlations · VERX correlations